Home / 1,918,688.64-2,647,790.28-1,059,250.56

Finding the Fourth Proportional to 1,918,688.64, 2,647,790.28 and 1,059,250.56

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Solution

The fourth proportional to 1,918,688.64, 2,647,790.28 and 1,059,250.56 is: 1,461,765.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,688.64 : 2,647,790.28 = 1,059,250.56 : x
  2. Step 2: Convert to fraction form
    1,918,688.64/2,647,790.28 = 1,059,250.56/x
  3. Step 3: Cross multiply
    1,918,688.64x = 2,647,790.28 × 1,059,250.56
  4. Step 4: Simplify right side
    1,918,688.64x = 2,804,673,336,852.56
  5. Step 5: Solve for x
    x = 2,804,673,336,852.56/1,918,688.64
  6. Step 6: Final answer
    x = 1,461,765.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.